“…For more information, see https://creativecommons.org/licenses/by/4.0/ previously developed various membrane InP-based photonic devices, such as low-power-consumption membrane directly modulated lasers [9], [10], high-efficiency membrane MZMs [11], [12], [13], and high-speed membrane EAM [14]. Our previous 300-μm-long membrane EAM had an E-O bandwidth of about 50 GHz without 50-ohm termination in the L band [14]. The current challenge is to tune the bandgap of the absorption layer for the O band, increase the E-O bandwidth (to more than 67 GHz), and integrate the EAM with a laser.…”